2-Propenoic acid, 2-methyl-, polymer with ethenylbenzene and alpha-hydro-omega-hydroxypoly(oxy-1,2-ethanediyl) (2Z)-2-butenedioate 2-Propenoic acid, 2-methyl-, polymer with ethenylbenzene and alpha-hydro-omega-hydroxypoly(oxy-1,2-ethanediyl) (Z)-2-butenedioate 68630-83-1 Polyethylene glycol, maleate ester, styrene, methacrylate acid polymer Styrene, polymer with methacrylic acid and polyethoxylated (Z)-2-butenedioic acid